南寧馬山安(an)(an)裝更換 曝氣頭（器）安(an)(an)裝：Φ215mm，Φ260mm，Φ300mm
服務(wu)面積：0.25－0.55m2/個(ge)，0.35-0.75m2/個(ge)
曝氣頭膜片運行平均孔隙：80-100微米
空氣流量(liang)：1.5-3m3/個h
氧總(zong)轉移系數：kla（20℃）0.204-0.337min-1
氧利用率：（水深(shen)3.2m）18.4-27.7%
充氧能力：0.112-0.185KgO2/m3h
充氧動力效率：4.46-5.19KgO2/kwh
南寧馬山(shan)曝(pu)氣頭（器）阻力：180-280mmH2O
空(kong)氣(qi)管(guan)(guan)設(she)(she)計應考慮(lv)壓力平衡，聯成環(huan)狀(zhuang)網，每組進氣(qi)管(guan)(guan)應設(she)(she)置閥門，便于調節(jie)空(kong)氣(qi)量。空(kong)氣(qi)管(guan)(guan)設(she)(she)計流速(su)：干管(guan)(guan)為(wei)10-15米/秒(miao)(miao)；支管(guan)(guan)為(wei)5米/秒(miao)(miao)。表面距池底安裝高度：270mm、250mm，推(tui)板式為(wei)200mm。
南(nan)寧(ning)馬山曝氣頭器安裝；
安(an)裝裝置(zhi)(zhi)由、布氣(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)、三通(tong)、四通(tong)、彎(wan)頭、調(diao)節支架、連(lian)(lian)(lian)接(jie)件(jian)、清除裝置(zhi)(zhi)等(deng)組成。布氣(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)按(an)通(tong)常的(de)環形布置(zhi)(zhi)，曝(pu)氣(qi)(qi)(qi)(qi)(qi)裝置(zhi)(zhi)按(an)供(gong)氣(qi)(qi)(qi)(qi)(qi)量和(he)池(chi)形布置(zhi)(zhi)密度(du)，曝(pu)氣(qi)(qi)(qi)(qi)(qi)器和(he)布氣(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)的(de)連(lian)(lian)(lian)接(jie)采(cai)用(yong)(yong)G3/4螺紋(wen)連(lian)(lian)(lian)接(jie)，底座為(wei)內(nei)螺紋(wen)（固定(ding)于布氣(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)上）曝(pu)氣(qi)(qi)(qi)(qi)(qi)器為(wei)外螺紋(wen)，安(an)裝時先把(ba)調(diao)節器按(an)所需尺(chi)寸用(yong)(yong)膨(peng)脹螺栓(shuan)固定(ding)在池(chi)底，然(ran)后(hou)用(yong)(yong)抱(bao)箍把(ba)布氣(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)固定(ding)在調(diao)節器上，為(wei)防(fang)止其它作業如電焊火花(hua)和(he)土建時，混(hun)凝土等(deng)重物 損壞曝(pu)氣(qi)(qi)(qi)(qi)(qi)裝置(zhi)(zhi)，必須等(deng)土建工(gong)程(cheng)結束后(hou)在放(fang)水前把(ba)曝(pu)氣(qi)(qi)(qi)(qi)(qi)器裝上，為(wei)防(fang)止管(guan)道(dao)和(he)連(lian)(lian)(lian)接(jie)部(bu)分漏氣(qi)(qi)(qi)(qi)(qi)，應放(fang)水超過曝(pu)氣(qi)(qi)(qi)(qi)(qi)器10cm左右底深度(du)試漏，然(ran)后(hou)通(tong)氣(qi)(qi)(qi)(qi)(qi)如發(fa)現有管(guan)道(dao)連(lian)(lian)(lian)接(jie)部(bu)分漏氣(qi)(qi)(qi)(qi)(qi)應及時排除，然(ran)后(hou)正式投運。
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